code: def fltcols(vals):
      """Trivial little function to make 1xN float vector"""
      return np.atleast_2d(np.array(vals, dtype=float))
  
file_path: nipy/nipy/interfaces/spm.py
imports: import os
  import numpy
  from nibabel import load
  from nibabel.tmpdirs import InTemporaryDirectory
  from scipy.io import savemat
  from .matlab import run_matlab_script
label_desc: Use image node_id 2 for calling a global function with example usage: fltcols(vals) and returns: np